Below are the numbers of patients classified as underweight, normal weight, overweight and obese according to their diabetes status.  If a patient is selected at random: What is the probability that they are overweight? What is the probability that they are obese and diabetic? What proportion of the diabetics are obese? What proportion of normal weight patients are not diabetic? What proportion of patients are normal weight or underweight?     Underweight Normal Weight Overweight Obese Row Totals   Diabetic 8 34 65 43     Not Diabetic 12 85 93 40     Column Totals

Q: A survey of California community college statistics students were asked their student status and…

A: The table shows the student status and type of class.

Q: researcher found that 85% of white ash trees in Pennsylvania are damaged by the emerald green ash…

A:

Q: Women have a 0.25% rate of red>green color blindness. If a woman is randomly selected, what is…

A: The question is about probability Given : Prob. of women have red/green color blindness = 0.25   To…

Q: The debate team surveyed its members' ages, resulting in the following set of data:…

A: Given data is the survey of age of the members  To find the probability of choosing a person whose…

Q: According to a recent study, 14% of U.S. drivers are uninsured. A random sample of seven drivers was…

A:

Q: According to the National Center for Education Statistics, 17% of all people in the United States,…

A:

Q: In a class of students, the following data table summarizes how many students play an instrument or…

A: Obtain the probability that a student chosen randomly from the class does not play an instrument.…

Q: In one study, researchers at a clinic looked at more than 120,000 patients enrolled in 14…

A: Given Information:  Researchers at a clinic looked at more than 120,000 patients enrolled in 14…

Q: A survey showed that 73% of adults need correction ( eyeglasses, contacts, surgery,etc.) for their…

A: Let us denote X= the number of persons who need correction for their eyesight. n= number of trials =…

Q: All human blood can be typed as O, A, B or AB and the frequency of these occurrences can be found in…

A: Blood Type O A B AB Probability 0.42 0.30 0.05 0.23

Q: The probability that a can of paint contains contamination is 3.23% and the probability of a mixing…

A: Concept of General Addition Rule: For any two events A and B the General Addition Rule states that:

Q: How many times did the ride run during that hour?  What was the highest rider count?  What was the…

A:

Q: In a study of 44 patients at a rural hospital, there were 9 females in the ICU, 6 females in the…

A:

Q: In a certain year, 23.2% of all light vehicles were light trucks, 7.0% were SUVs, and 69.8% were…

A: Let A be the event that the deadly proved accident occurred to the driver Given that P(A | Light…

Q: The managers of a corporation were surveyed to determine the background that leads to a successful…

A:

Q: A study assessed the accuracy of self-reported smoking status. Among self-reported nonsmokers, 92…

A: Formula: probability is the number of favourable response divided by total number of sample size.

Q: A survey was conducted by Science Diet in which 125 families were asked how many dogs lived in their…

A: We have given information about a survey was conducted by Science Diet in which 125 families were…

Q: Researchers suggest that 9.5% of females in Scotland have red hair. Approximately 10% of Scottish…

A: Conditional probability formula : P(A | B) = P(A n B) /P(B)

Q: Approximately 30% of obese patients develop diabetes. If a physician sees 10 patients who are obese,…

A:

Q: An actuary studied the likelihood that different types of drivers have at least one collision during…

A: To find: The probability that a driver with at least one collision in the past year is a Teen…

Q: A news report stated that 65% of vehicles sold nationally were SUVs. A random sample of 100 vehicles…

A: Given info: Here, n=100, p=0.65.

Q: An experiment tested a tree fertilizer on a large number of elm and oak trees to see whether it…

A: Given that   Positive  Negative  Total Oak 73 45 118 Elm 102 27 129 Total 175 72 247

Q: what is the probability all three would be smokers?

A: Let , X be the number of smokers Here , X→B(n=3 , p=0.20) The probability mass function of X is ,…

Q: According to a report in Parade magazine, a nationwide survey conducted by the University of…

A: We have given that Probability (p)  = 0.70  Number of samples(n) = 12 Here we will use binomial…

Q: 30% of all college students major in STEM (Science, Technology, Engineering, and Math). If 45…

A: Solution: a. Let X be the number of students major in STEM and n be the sample size.. From the given…

Q: The probability that an adult possesses a credit card is .65. A researcher selects two adults at…

A: P(posseses credit card ) = p = 0.65 So q  =1-p = 0.35 Select two at random

Q: Every year, the veterinary hospital at a major research university treats a number of horses that…

A:

Q: A journalist created a table of the political affiliation of voters in Toronto (NDP, Conservative,…

A: Given that  P(Conservative)  = 0.23 + 0.12 = 0.35 P(Conservative and Oppose) = 0.12

Q: his problem involves students who have taken Calculus in high school. Assume that 10 percent of…

A: Let define the events A = Students who have taken Calculus in high school A= Students who did not…

Q: The monthly incidence of necrotizing fasciitis in the U.S. is 50 cases. The population of the U.S.…

A: Solution: It is given that the monthly incidence of necrotizing fasciitis in the U.S. is 50 cases.…

Q: Organ Donors USA Today provided information about a survey of 5100 adult Internet users. Of the…

A: There are 100 adults who are randomly selected from each state and the District of Columbia.

Q: The magazine Sports uteu as "Do you believe performance enhancing drugs are a problem in college…

A: We have given that  Sample size n =250 Population proportion p =30%=0.30

Q: In a certain town, 62% of the residents enjoy riding roller coasters. Alfred takes a sample of 75…

A: Given Data: Using binomial to normal approximation Mean=n*p=0.62*75=46.5 Standard deviation=4.2036…

Q: in a poll 41% of the united states was found to be independednt in political party affiliation. if…

A: the number of people surveyed n=10the proportion of independents in the population p=0.41

Q: A sociologist is analyzing Social Security data. The number of individuals in the sample is 5. The…

A:

Q: Of the last 60 people who went to the cash register at a department store, 13 had blond hair, 19 had…

A: Solution: From the given information, number of people had blond hair is 13, number of people had…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.